Postal Codes

59859 ZIP Code

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ZIP code 59859 covers Plains, Montana, with a population of about 4,204 and a median household income of $61,667.

Population
4,2046 per square mile
Median age
55.116.4 points above the US average
Median household income
$61,66712% below the Montana median
Poverty rate
10%2.4 points below the US average
Typical home value
$468,045up 46.8% in five years
Median rent
$79223% below the Montana median
Degree or higher
20.8%14.2 points below the US average
Homeownership
74.3%9.3 points above the US average
Time zone
Mountain UTC-07:00observes daylight saving time
Businesses
112

Where 59859 is

Plains, Montana — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population4,204
Median age55.1
Family households59.3%
Born outside the US1.6%
Speaks a language other than English at home7.4%
White (non-Hispanic)92.4%
Black (non-Hispanic)0.4%
Asian (non-Hispanic)0.8%
Hispanic or Latino1.7%
Veterans16.6%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$61,667
Income per person$39,894
Poverty rate10%
Households on SNAP or cash assistance15.4%

Household income distribution

Under $10k2.6%
$10–15k5.9%
$15–20k4.6%
$20–25k11.2%
$25–30k4.7%
$30–35k2.6%
$35–40k5.7%
$40–45k3.7%
$45–50k2.7%
$50–60k4.8%
$60–75k13.0%
$75–100k19.1%
$100–125k6.7%
$125–150k4.3%
$150–200k4.1%
$200k or more4.4%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed1,780
Mean adjusted gross income$67,092
Returns declaring $200,000 or more3.9%
Returns, under $25k32.6%
Returns, $25k–$50k25.3%
Returns, $50k–$75k15.7%
Returns, $75k–$100k10.1%
Returns, $100k–$200k12.4%
Returns, $200k or more3.9%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$403,800
Median gross rent$792
Rent as a share of household income44%
Owner-occupied74.3%
Vacant homes13.3%
Median year built1993

What the homes are

Detached house77.4%
Attached house0.4%
2 to 4 units4.4%
5 to 19 units1%
Mobile home16.7%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$468,045as of 2026-07
Typical home value, 1 yearup 3.8%
Typical home value, 5 yearsup 46.8%
Typical home value, 10 yearsup 166.4%
Typical home value since 2000
201020182026$468,045$143,943

$148,169 in 2010 to $468,045 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate4%
Bachelor's degree or higher20.8%
High school diploma or higher92.4%
Works from home14.2%
Drives to work alone64.3%
Takes public transport0.3%
Commutes 45 minutes or more15.3%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity34.3% 0.9 pts above the national average of 33.4%
Diagnosed diabetes13% 1 pts above the national average of 12%
Currently smokes16.3% 3.1 pts above the national average of 13.2%
High blood pressure39.2% 5.1 pts above the national average of 34.1%
Fair or poor general health22.6% 2.3 pts above the national average of 20.3%
No health insurance (18–64)9.9% 1.4 pts below the national average of 11.3%
Depression23.2% 1.3 pts above the national average of 21.9%
No leisure-time physical activity25.1% same as the national average of 25.4%
Arthritis35.9% 10.8 pts above the national average of 25.1%
Binge drinking17% 1 pts above the national average of 16%
Taking blood pressure medication79% 4.3 pts above the national average of 74.7%
Cancer (non-skin)11.9% 4.2 pts above the national average of 7.7%
Current asthma11.2% 0.8 pts above the national average of 10.4%
Coronary heart disease9.7% 3.5 pts above the national average of 6.2%
Routine check-up in past year73.2% 3.5 pts below the national average of 76.7%
Cholesterol screening85.4% 0.5 pts below the national average of 85.9%
Cognitive disability14.9% same as the national average of 14.8%
Colorectal screening60.3% 4 pts below the national average of 64.3%
COPD10.3% 3.7 pts above the national average of 6.6%
Visited a dentist57.3% 4 pts below the national average of 61.3%
Any disability36.1% 5.4 pts above the national average of 30.7%
Lacks emotional support21.1% 3.7 pts below the national average of 24.8%
Food insecurity12.8% 4.3 pts below the national average of 17.1%
Received food stamps9.8% 4.5 pts below the national average of 14.3%
Hearing disability11.6% 4.9 pts above the national average of 6.7%
High cholesterol37.5% 1.3 pts above the national average of 36.2%
Housing insecurity9.1% 4.7 pts below the national average of 13.8%
Independent living disability9.6% 1.2 pts above the national average of 8.4%
Lacks transport7.7% 1.5 pts below the national average of 9.2%
Loneliness28.4% 6 pts below the national average of 34.4%
Mammography use72.8% 3.1 pts below the national average of 75.9%
Poor mental health (14+ days)16.4% same as the national average of 16.8%
Mobility disability18.2% 4.2 pts above the national average of 14%
Poor physical health (14+ days)17.1% 3.6 pts above the national average of 13.5%
Self-care disability5% 1 pts above the national average of 4%
Utility shut-off threat6.9% 1.9 pts below the national average of 8.8%
Sleeps under 7 hours33.2% 3.2 pts below the national average of 36.4%
Stroke5% 1.6 pts above the national average of 3.4%
All natural teeth lost17.1% 4.1 pts above the national average of 13%
Vision disability6% same as the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments112
People employed885
Annual payroll$32,491,000
Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 84.3% of US census tracts
FEMA ratingRelatively Moderate to Relatively High across the 2 census tracts this ZIP code covers
Expected annual loss70.9 out of 100
Community resilience18.5 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Landslide99.1Relatively High at its worst in this ZIP code
Winter weather98.9Very High at its worst in this ZIP code
Wildfire96.8Relatively High at its worst in this ZIP code
Ice storm96.4Relatively High at its worst in this ZIP code
Cold wave94.5Very High at its worst in this ZIP code
River flooding87.1Very High at its worst in this ZIP code
Earthquake81.6Relatively Moderate at its worst in this ZIP code
Drought79.2Relatively Low at its worst in this ZIP code
Lightning58.7Relatively Moderate at its worst in this ZIP code
Avalanche57.4Very Low at its worst in this ZIP code
Heat wave44.7Relatively Low at its worst in this ZIP code
Strong wind43.3Relatively Low at its worst in this ZIP code
Hail34.6Relatively Low at its worst in this ZIP code
Tornado3.1Very Low at its worst in this ZIP code
Compared with Montana and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPMontanaUnited States
Median household income$61,667$69,922$78,538
Income per person$39,894$39,842$43,289
Poverty rate10%12%12.4%
Median home value$403,800$338,100$303,400
Median gross rent$792$1,031$1,348
Homeownership74.3%69.4%65%
Bachelor's degree or higher20.8%34.5%35%
Unemployment rate4%3.8%5.2%
Works from home14.2%11.6%13.5%
Born outside the US1.6%2.3%13.9%
Median age55.140.238.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationSAINT REGIS 1 NE, MT US24 km away

Average high and low by month

January35°F / 21.5°F
February41°F / 21.4°F
March50.6°F / 26.3°F
April59°F / 31.5°F
May69°F / 38.3°F
June76.5°F / 44.1°F
July86.4°F / 47.2°F
August86.7°F / 45.3°F
September76°F / 39.4°F
October58.5°F / 32.1°F
November41.8°F / 26.4°F
December33.3°F / 20.9°F
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarketNone of this ZIP code
Far from a supermarketNone of this ZIP code
No vehicle and far from a supermarketNone of this ZIP code
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

This ZIP code is served by 2 school districts, so the address decides which one, not the ZIP code.

Plains K-12 Schools67% of this ZIP code's land area
Hot Springs K-1232% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability75more vulnerable than 75% of US census tracts
Socioeconomic status82more vulnerable than 82% of US census tracts
Household characteristics63more vulnerable than 63% of US census tracts
Racial and ethnic minority status22more vulnerable than 22% of US census tracts
Housing type and transport73more vulnerable than 73% of US census tracts
Walkability5.5 out of 20Least walkable
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

59856 Paradise, MT11.9 km away
59845 Hot Springs, MT21.9 km away
59866 Saint Regis, MT25.8 km away
59848 Lonepine, MT33.1 km away
59872 Superior, MT33.5 km away
59830 De Borgia, MT35.5 km away
59873 Thompson Falls, MT37.9 km away
59842 Haugan, MT39.4 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Sanders County100% of this ZIP code's land area
Time zoneMountain (UTC-07:00 standard)
Daylight saving timeObserved
Land area710.8 sq mi
Water area4.83 sq mi
Population density6 people per sq mi
Latitude, longitude47.4734, -114.8930

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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